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Socket Weld Flange Dimensions (ASME B16.5)

The charts show the dimensions of socket weld flange class 150, 300, 400, 900, 1500, 2500 in inches and in millimeters.

SOCKET WELD FLANGE DIMENSIONS IN INCHES

SOCKET WELD CLASS 150 (IN INCH)

Dimensions of socket weld flange class 150 (in inches)

Socket Weld Flange Dimensions ASME B16.5

NPS ID OD Bolt Circle (BC) Raised Face (R) Raised Face (RF) H D ID 2* Raised Face Thickness (T) T1 Flat Face Thickness (T2) Bolt Hole (B) No. of Bolt Holes
1/2″ 0.88″ 3.50″ 2.38″ 1.38″ .063″ 1.19″ .38″ 0.62″ .62″ .38″ .56″ .62″ 4
3/4″ 1.09″ 3.88″ 2.75″ 1.69″ .063″ 1.50″ .44″ 0.82″ .62″ .44″ .56″ .62″ 4
1″ 1.36″ 4.25″ 3.12″ 2.00″ .063″ 1.94″ .50″ 1.05″ .69″ .50″ .63″ .62″ 4
1-1/4″ 1.70″ 4.62″ 3.50″ 2.50″ .063″ 2.31″ .56″ 1.38″ .81″ .56″ .75″ .62″ 4
1-1/2″ 1.97″ 5.00″ 3.88″ 2.88″ .063″ 2.56″ .62″ 1.61″ .88″ .62″ .82″ .62″ 4
2″ 2.44″ 6.00″ 4.75″ 3.62″ .063″ 3.06″ .69″ 2.07″ 1.00″ .69″ .94″ .75″ 4
2-1/2″ 2.94″ 7.00″ 5.50″ 4.12″ .063″ 3.56″ .75″ 2.47″ 1.12″ .82″ 1.06″ .75″ 4
3″ 3.57″ 7.50″ 6.00″ 5.00″ .063″ 4.25″ .81″ 3.07″ 1.19″ .88″ 1.13″ .75″ 4
3-1/2″ 4.07″ 8.50″ 7.00″ 5.50″ .063″ 4.81″ .88″ 3.55″ 1.25″ .88″ 1.19″ .75″ 8
4″ 4.57″ 9.00″ 7.50″ 6.19″ .063″ 5.31″ .94″ 4.03″ 1.31″ .88″ 1.25″ .75″ 8
5″ 5.66″ 10.00″ 8.50″ 7.31″ .063″ 6.44″ .94″ 5.05″ 1.44″ .88″ 1.38″ .88″ 8
6″ 6.72″ 11.00″ 9.50″ 8.50″ .063″ 7.56″ 1.06″ 6.07″ 1.56″ .94″ 1.50″ .88″ 8
8″ 8.72″ 13.50″ 11.75″ 10.62″ .063″ 9.69″ 1.25″ 7.98″ 1.75″ 1.06″ 1.69″ .88″ 8
10″ 10.88″ 16.00″ 14.25″ 12.75″ .063″ 12.00″ 1.31″ 10.02″ 1.94″ 1.13″ 1.88″ 1.00″ 12
12″ 12.88″ 19.00″ 17.00″ 15.00″ .063″ 14.38″ 1.56″ 12.00″ 2.19″ 1.19″ 2.13″ 1.00″ 12
14″ 14.14″ 21.00″ 18.75″ 16.25″ .063″ 15.75″ 1.63″ 13.25″ 2.25″ 1.32″ 2.19″ 1.12″ 12
16″ 16.16″ 23.50″ 21.25″ 18.50″ .063″ 18.00″ 1.75″ 15.25″ 2.50″ 1.38″ 2.44″ 1.12″ 16
18″ 18.18″ 25.00″ 22.75″ 21.00″ .063″ 19.88″ 1.94″ 17.25″ 2.69″ 1.50″ 2.63″ 1.25″ 16
20″ 20.20″ 27.50″ 25.00″ 23.00″ .063″ 22.00″ 2.13″ 19.25″ 2.88″ 1.63″ 2.83″ 1.25″ 20
22″ 22.22″ 29.50″ 27.25″ 25.25″ .063″ 24.25″ 2.38″ 21.25″ 3.13″ 1.75″ 3.07″ 1.38″ 20
24″ 24.25″ 32.00″ 29.50″ 27.25″ .063″ 26.12″ 2.50″ 23.25″ 3.25″ 1.82″ 3.19″ 1.38″ 20

SOCKET WELD CLASS 300 (IN INCH)

Dimensions of socket weld flange class 300 (in inches)

Socket Weld Flange Dimensions ASME B16.5

FLANGE
NPS
Inside
Diameter
Outside
Diameter
Bolt Circle (BC) Raised Face (R) Raised Face (RF) H D ID 2* Raised Face Thickness (T) T1 Flat Face Thickness (T2) Bolt Hole (B) No. of Bolt Holes
1/2″ 0.88″ 3.75″ 2.62″ 1.38″ .063″ 1.50″ .38″ 0.62″ 0.88″ 0.50″ 0.82″ 0.62″ 4
3/4″ 1.09″ 4.62″ 3.25″ 1.69″ .063″ 1.88″ .44″ 0.82″ 1.00″ .056″ 0.94″ 0.75″ 4
1″ 1.36″ 4.88″ 3.50″ 2.00″ .063″ 2.12″ .50″ 1.05″ 1.06″ 0.63″ 1.00″ 0.75″ 4
1-1/4″ 1.70″ 5.25″ 3.88″ 2.50″ .063″ 2.50″ .56″ 1.38″ 1.06″ 0.69″ 1.00″ 0.75″ 4
1-1/2″ 1.97″ 6.12″ 4.50″ 2.88″ .063″ 2.75″ .62″ 1.61″ 1.19″ 0.75″ 1.13″ 0.88″ 4
2″ 2.44″ 6.50″ 5.00″ 3.62″ .063″ 3.31″ .69″ 2.07″ 1.31″ 0.82″ 1.25″ 0.75″ 8
2-1/2″ 2.94″ 7.50″ 5.88″ 4.12″ .063″ 3.94″ .75″ 2.47″ 1.50″ 0.94″ 1.44″ 0.88″ 8
3″ 3.57″ 8.25″ 6.62″ 5.00″ .063″ 4.62″ .81″ 3.07″ 1.69″ 1.06″ 1.63″ 0.88″ 8

SOCKET WELD CLASS 600 (IN INCH)

Dimensions of socket weld flanges class 600 (in inches)

Socket Weld Flange Dimensions ASME B16.5

FLANGE
NPS
ID OD Bolt Circle (BC) Raised Face (R) Raised Face (RF) H D ID 2* Raised Face Thickness (T) T1 Flat Face Thickness (T2) Bolt Hole (B) No. of Bolt Holes
1/2″ 0.88″ 3.75″ 2.62″ 1.38″ .250″ 1.50″ .38″ 0.55″ 1.13″ 0.56″ 0.88″ 0.62″ 4
3/4″ 1.09″ 4.62″ 3.25″ 1.69″ .250″ 1.88″ .44″ 0.74″ 1.25″ 0.62″ 1.00″ 0.75″ 4
1″ 1.36″ 4.88″ 3.50″ 2.00″ .250″ 2.12″ .50″ 0.96″ 1.31″ 0.69″ 1.06″ 0.75″ 4
1-1/4″ 1.70″ 5.25″ 3.88″ 2.50″ .250″ 2.50″ .56″ 1.28″ 1.37″ 0.81″ 1.12″ 0.75″ 4
1-1/2″ 1.97″ 6.12″ 4.50″ 2.88″ .250″ 2.75″ .62″ 1.50″ 1.50″ 0.88″ 1.25″ 0.88″ 4
2″ 2.44″ 6.50″ 5.00″ 3.62″ .250″ 3.31″ .69″ 1.94″ 1.69″ 1.00″ 1.44″ 0.75″ 8
2-1/2″ 2.94″ 7.50″ 5.88″ 4.12″ .250″ 3.94″ .75″ 2.32″ 1.87″ 1.12″ 1.62″ 0.88″ 8
3″ 3.57″ 8.25″ 6.62″ 5.00″ .250″ 4.62″ .81″ 2.90″ 2.06″ 1.25″ 1.81″ 0.88″ 8

SOCKET WELD CLASS 1500 (IN INCH)

Dimensions of socket weld flange class 1500 (in inches)

Socket Weld Flange Dimensions ASME B16.5

SOCKET WELD FLANGE DIMENSIONS IN MILLIMETERS

SOCKET WELD CLASS 150 (IN MM)

Socket weld flange dimensions class 150 in millimeters (ASME B16.5)

Socket weld flange dimensions

Size
inch
D
mm
X
mm
G
mm
t
mm
B1
mm
B2
mm
T2
mm
Y
mm
1/2 89 30.2 35.1 11.2 15.7 22.4 15.7 9.7
3/4 99 38.1 42.9 12.7 20.8 27.7 15.7 11.2
1 108 49.3 50.8 14.2 26.7 34.5 17.5 12.7
117 58.7 63.5 15.7 35.1 43.2 20.6 14.2
127 65.0 73.2 17.5 40.9 49.5 22.4 15.7
2 152 77.7 91.9 19.1 52.6 62.0 25.4 17.5
178 90.4 104.6 22.4 62.7 74.7 28.4 19.1
3 191 108.0 127.0 23.9 78.0 90.7 30.2 20.6
216 122.2 139.7 23.9 90.2 103.4 31.8 22.4
4 229 134.9 157.2 23.9 102.4 116.1 33.3 23.9
5 254 163.6 185.7 23.9 128.3 143.8 36.6 23.9
6 279 192.0 215.9 25.4 154.2 170.7 39.6 26.9
8 343 246.1 269.7 28.4 202.7 221.5 44.5 31.8
10 406 304.8 323.9 30.2 254.5 276.4 49.3 33.3
12 483 365.3 381.0 31.8 304.8 327.2 55.6 39.6
14 533 400.1 412.8 35.1 336.6 359.2 57.2 41.4
16 597 457.2 469.9 36.6 387.4 410.5 63.5 44.5
18 635 505.0 533.4 39.6 438.2 461.8 68.3 49.3
20 699 558.8 584.2 42.9 489.0 513.1 73.2 54.1
24 813 663.4 692.2 47.8 590.6 616.0 82.6 63.5

 

Size Drilling Bolting
inch Bolt circle
Diameter mm
Holes # Holes Dia. mm Bolt Dia. inch. Length
FF Flange
Length
RF Flange
Length
RTJ Flange
1/2 60.5 4 15.7 1/2 50.8 57.2
3/4 69.9 4 15.7 1/2 50.8 63.5
1 79.2 4 15.7 1/2 57.2 63.5 76.2
88.9 4 15.7 1/2 57.2 69.9 82.6
98.6 4 15.7 1/2 63.5 69.9 82.6
2 120.7 4 19.1 5/8 69.9 82.6 95.3
139.7 4 19.1 5/8 76.2 88.9 101.6
3 152.4 4 19.1 5/8 76.2 88.9 101.6
177.8 8 19.1 5/8 76.2 88.9 101.6
4 190.5 8 19.1 5/8 76.2 88.9 101.6
5 215.9 8 22.4 3/4 82.6 95.3 108.0
6 241.3 8 22.4 3/4 82.6 101.6 114.3
8 298.5 8 22.4 3/4 88.9 108.0 120.7
10 362.0 12 25.4 7/8 101.6 114.3 127.0
12 431.8 12 25.4 7/8 101.6 120.7 133.4
14 476.3 12 28.4 1 114.3 133.4 146.1
16 539.8 16 28.4 1 114.3 133.4 146.1
18 577.9 16 31.8 11/8 127.0 146.1 158.8
20 635.0 20 31.8 11/8 139.7 158.8 171.5
24 749.3 20 35.1 152.4 171.5 184.2

SOCKET WELD CLASS 300 (IN MM)

Socket weld flange dimensions class 300 in millimeters (ASME B16.5)

Socket weld flange dimensions

Size
inch
D
mm
X
mm
G
mm
t
mm
B1
mm
B2
mm
T2
mm
Y
mm
1/2 95 38.1 35.1 14.2 15.7 22.4 22.4 9.7
3/4 117 47.8 42.9 15.7 20.8 27.7 25.4 11.2
1 124 53.8 50.8 17.5 26.7 34.5 26.9 12.7
133 63.5 63.5 19.1 35.1 43.2 26.9 14.2
155 69.9 73.2 20.6 40.9 49.5 30.2 15.7
2 165 84.1 91.9 22.4 52.6 62.0 33.3 17.5
191 100.1 104.6 25.4 62.7 74.7 38.1 19.1
3 210 117.3 127.0 28.4 78.0 90.7 42.9 20.6
229 133.4 139.7 30.2 90.2 103.4 44.5 22.4
4 254 146.1 157.2 31.8 102.4 116.1 47.8 23.9
5 279 177.8 185.7 35.1 128.3 143.8 50.8 23.9
6 318 206.2 215.9 36.6 154.2 170.7 52.3 26.9
8 381 260.4 269.7 41.1 202.7 221.5 62.0 31.8
10 445 320.5 323.9 47.8 254.5 276.4 66.5 33.3
12 521 374.7 381.0 50.8 304.8 327.2 73.2 39.6
14 584 425.5 412.8 63.8 336.6 359.2 76.2 41.4
16 648 482.6 469.9 57.2 387.4 410.5 82.6 44.5
18 711 533.4 533.4 60.5 438.2 461.8 88.9 49.3
20 775 587.2 584.2 63.5 489.0 513.1 95.3 54.1
24 914 701.5 692.2 69.9 590.6 616.0 106.4 63.5

 

Size Drilling Bolting
inch Bolt circle
Diameter mm
Holes # Holes Dia. mm Bolt Dia. inch. Length
FF Flange
Length
RF Flange
Length
RTJ Flange
1/2 66.5 4 15.7 1/2 57.2 63.5 76.2
3/4 82.6 4 19.1 5/8 63.5 76.2 88.9
1 88.9 4 19.1 5/8 63.5 76.2 88.9
98.6 4 19.1 5/8 69.9 82.6 95.3
114.3 4 22.4 3/4 76.2 88.9 101.6
2 127.0 8 19.1 5/8 76.2 88.9 101.6
149.4 8 22.4 3/4 82.6 101.6 114.3
3 168.1 8 22.4 3/4 88.9 108.0 120.7
184.2 8 22.4 3/4 95.3 108.0 127.0
4 200.2 8 22.4 3/4 95.3 114.3 127.0
5 235.0 8 22.4 3/4 108.0 120.7 133.4
6 269.7 12 22.4 3/4 108.0 120.7 139.7
8 330.2 12 25.4 7/8 120.7 139.7 152.4
10 387.4 16 28.4 1 139.7 158.8 171.5
12 450.9 16 31.8 11/8 146.1 171.5 184.2
14 514.4 20 31.8 11/8 158.8 177.8 190.5
16 571.5 20 35.1 165.1 190.5 203.2
18 628.7 24 35.1 171.5 196.9 209.6
20 685.8 24 35.1 184.2 203.2 222.3
24 812.8 24 41.1 203.2 228.6 254.0

SOCKET WELD CLASS 600 (IN MM)

Socket weld flange dimensions class 600 in millimeters (ASME B16.5)

Socket weld flange dimensions

Size
inch
D
mm
X
mm
G
mm
t
mm
B1
mm
B2
mm
T2
mm
Y
mm
1/2 95 38.1 35.1 14.2 B36.10/.19 22.4 22.4 9.7
3/4 117 47.8 42.9 15.7 B36.10/.19 27.7 25.4 11.2
1 124 53.8 50.8 17.5 B36.10/.19 34.5 26.9 12.7
133 63.5 63.5 20.6 B36.10/.19 43.2 28.4 14.2
155 69.9 73.2 22.4 B36.10/.19 49.5 31.8 15.7
2 165 84.1 91.9 25.4 B36.10/.19 62.0 36.6 17.5
191 100.1 104.6 28.4 B36.10/.19 74.7 41.1 19.1
3 210 117.3 127.0 31.8 B36.10/.19 90.7 46.0 20.6
229 133.4 139.7 35.1 B36.10/.19 103.4 49.3 22.4
4 273 152.4 157.2 38.1 B36.10/.19 116.1 53.8 23.9
5 330 189.0 185.7 44.5 B36.10/.19 143.8 60.5 23.9
6 356 222.3 215.9 47.8 B36.10/.19 170.7 66.5 26.9
8 419 273.1 269.7 55.6 B36.10/.19 221.5 76.2 31.8
10 508 342.9 323.9 63.5 B36.10/.19 276.4 85.9 33.3
12 559 400.1 381.0 66.5 B36.10/.19 327.2 91.9 39.6
14 603 431.8 412.8 69.9 B36.10/.19 359.2 93.7 41.4
16 686 495.3 469.9 76.2 B36.10/.19 410.5 106.4 44.5
18 743 546.1 533.4 82.6 B36.10/.19 461.8 117.3 49.3
20 813 609.6 584.2 88.9 B36.10/.19 513.1 127.0 54.1
24 940 717.6 692.2 101.6 B36.10/.19 616.0 139.7 63.5

 

Size Drilling Bolting
inch Bolt circle
Diameter mm
Holes # Holes Dia. mm Bolt Dia. inch. Length
FF Flange
Length
RF Flange
Length
RTJ Flange
1/2 66.5 4 15.7 1/2 76.2 69.9 76.2
3/4 82.6 4 19.1 5/8 88.9 82.6 88.9
1 88.9 4 19.1 5/8 88.9 82.6 88.9
98.6 4 19.1 5/8 95.3 88.9 95.3
114.3 4 22.4 3/4 108.0 101.6 108.0
2 127.0 8 19.1 5/8 108.0 101.6 108.0
149.4 8 22.4 3/4 120.7 114.3 120.7
3 168.1 8 22.4 3/4 127.0 120.7 127.0
184.2 8 25.4 7/8 139.7 133.4 139.7
4 215.9 8 25.4 7/8 146.1 139.7 146.1
5 266.7 8 28.4 1 165.1 158.8 165.1
6 292.1 12 28.4 1 171.5 165.1 171.5
8 349.3 12 31.8 11/8 190.5 184.2 196.9
10 431.8 16 35.1 215.9 209.6 215.9
12 489.0 20 35.1 222.3 215.9 222.3
14 527.1 20 38.1 13/8 235.0 228.6 235.0
16 603.3 20 41.1 254.0 247.7 254.0
18 654.1 20 44.5 15/8 273.1 266.7 273.1
20 723.9 24 44.5 15/8 285.8 279.4 292.1
24 838.2 24 50.8 17/8 330.2 323.9 336.6

 

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